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WO2003073534A3 - Electric separator, method for the production and use thereof - Google Patents

Electric separator, method for the production and use thereof Download PDF

Info

Publication number
WO2003073534A3
WO2003073534A3 PCT/EP2003/000329 EP0300329W WO03073534A3 WO 2003073534 A3 WO2003073534 A3 WO 2003073534A3 EP 0300329 W EP0300329 W EP 0300329W WO 03073534 A3 WO03073534 A3 WO 03073534A3
Authority
WO
WIPO (PCT)
Prior art keywords
separator
coating
electric
substrate
batteries
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2003/000329
Other languages
German (de)
French (fr)
Other versions
WO2003073534A2 (en
Inventor
Volker Hennige
Christian Hying
Gerhard Hoerpel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Creavis Gesellschaft fuer Technologie und Innovation mbH
Original Assignee
Creavis Gesellschaft fuer Technologie und Innovation mbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Creavis Gesellschaft fuer Technologie und Innovation mbH filed Critical Creavis Gesellschaft fuer Technologie und Innovation mbH
Priority to EP20030742922 priority Critical patent/EP1509960B1/en
Priority to KR1020047013382A priority patent/KR100955794B1/en
Priority to AU2003210159A priority patent/AU2003210159A1/en
Priority to US10/504,144 priority patent/US8709638B2/en
Priority to JP2003572113A priority patent/JP2006504228A/en
Priority to CA002477062A priority patent/CA2477062A1/en
Publication of WO2003073534A2 publication Critical patent/WO2003073534A2/en
Anticipated expiration legal-status Critical
Publication of WO2003073534A3 publication Critical patent/WO2003073534A3/en
Priority to US12/870,933 priority patent/US8053102B2/en
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/417—Polyolefins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/42—Acrylic resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/423—Polyamide resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
    • H01M50/426—Fluorocarbon polymers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/431—Inorganic material
    • H01M50/434—Ceramics
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/44—Fibrous material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/451—Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
    • H01M50/454—Separators, membranes or diaphragms characterised by the material having a layered structure comprising a non-fibrous layer and a fibrous layer superimposed on one another
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
    • H01M50/491—Porosity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Cell Separators (AREA)
  • Hybrid Cells (AREA)
  • Secondary Cells (AREA)

Abstract

The invention relates to electric separators and to a method for producing the same. An electric separator is a separator that is used in batteries and other systems in which electrodes have to be separated from one other while, e.g., maintaining their ionic conductivity. The separator is preferably a thin, porous, insulating material that has a high ionic permeability, good mechanical strength and long-term resistance to the chemicals and solvents used in the system, e.g., in the electrolyte of the battery. The aim of the invention is to provide a separator that completely insulates the cathode from the anode in batteries, that is permanently elastic and that follows the movements in the system, e.g., in the electrode stack during charge and discharge. This aim is achieved by providing the inventive electric separator which comprises a planar, flexible substrate that has a plurality of openings and that further comprises a coating on and in said substrate. The substrate is a polymer nonwoven and the coating is a porous, electrically insulating, ceramic coating. The separator is characterized by having a thickness of less than 80 µm.
PCT/EP2003/000329 2002-02-26 2003-01-15 Electric separator, method for the production and use thereof Ceased WO2003073534A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP20030742922 EP1509960B1 (en) 2002-02-26 2003-01-15 Electric separator, method for the production and use thereof
KR1020047013382A KR100955794B1 (en) 2002-02-26 2003-01-15 Electrical separator, preparation method thereof and use thereof
AU2003210159A AU2003210159A1 (en) 2002-02-26 2003-01-15 Electric separator, method for the production and use thereof
US10/504,144 US8709638B2 (en) 2002-02-26 2003-01-15 Electric separator, method for the production and use thereof
JP2003572113A JP2006504228A (en) 2002-02-26 2003-01-15 Electric separator, its manufacturing method and use
CA002477062A CA2477062A1 (en) 2002-02-26 2003-01-15 Electric separator, production and use
US12/870,933 US8053102B2 (en) 2002-02-26 2010-08-30 Electric separator, method for the production and use thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10208277.4 2002-02-26
DE10208277A DE10208277A1 (en) 2002-02-26 2002-02-26 Electrical separator, process for its production and use

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US10/504,144 A-371-Of-International US8709638B2 (en) 2002-02-26 2003-01-15 Electric separator, method for the production and use thereof
US12/870,933 Division US8053102B2 (en) 2002-02-26 2010-08-30 Electric separator, method for the production and use thereof

Publications (2)

Publication Number Publication Date
WO2003073534A2 WO2003073534A2 (en) 2003-09-04
WO2003073534A3 true WO2003073534A3 (en) 2004-12-29

Family

ID=27674999

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/000329 Ceased WO2003073534A2 (en) 2002-02-26 2003-01-15 Electric separator, method for the production and use thereof

Country Status (10)

Country Link
US (2) US8709638B2 (en)
EP (1) EP1509960B1 (en)
JP (1) JP2006504228A (en)
KR (1) KR100955794B1 (en)
CN (1) CN100440583C (en)
AU (1) AU2003210159A1 (en)
CA (1) CA2477062A1 (en)
DE (1) DE10208277A1 (en)
TW (1) TWI267215B (en)
WO (1) WO2003073534A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9680141B2 (en) 2012-01-30 2017-06-13 Litarion GmbH Separator comprising an organic-inorganic adhesion promoter

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